/**
*      author: Y_Yao
*      created: 2025-01-24 22:30:23
**/

#include<bits/stdc++.h>

#define int LL
using namespace std;
using LL = long long;
const LL LLINF = 1e18;
const int INF = 0x3f3f3f3f;
const int N = 100 + 7;
int n,m;
int A[N];
char B[N];
bool vis[N];

void solve()
{
    cin >> n >> m;
    for(int i = 1;i <= m;i++)
    {
        cin >> A[i] >> B[i];
        if(B[i] == 'F') 
        {
            cout << "No" << endl;
            continue;
        }
        if(!vis[A[i]])
        {
            vis[A[i]] = true;
            cout << "Yes" << endl;
        }
        else cout << "No" << endl;
    }
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    //cin >> t;
    while(t--)
    {
        solve();
    }
    return 0;
}